Home / 399,304.54-597,137.55-298,173.61

Finding the Fourth Proportional to 399,304.54, 597,137.55 and 298,173.61

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Solution

The fourth proportional to 399,304.54, 597,137.55 and 298,173.61 is: 445,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,304.54 : 597,137.55 = 298,173.61 : x
  2. Step 2: Convert to fraction form
    399,304.54/597,137.55 = 298,173.61/x
  3. Step 3: Cross multiply
    399,304.54x = 597,137.55 × 298,173.61
  4. Step 4: Simplify right side
    399,304.54x = 178,050,660,255.55
  5. Step 5: Solve for x
    x = 178,050,660,255.55/399,304.54
  6. Step 6: Final answer
    x = 445,901.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.